12042234431 has 2 divisors, whose sum is σ = 12042234432. Its totient is φ = 12042234430.

The previous prime is 12042234401. The next prime is 12042234433. The reversal of 12042234431 is 13443224021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12042234431 - 2¹⁴ = 12042218047 is a prime.

It is a super-2 number, since 2×12042234431² (a number of 21 digits) contains 22 as substring.

Together with 12042234433, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12042234431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12042234433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021117215 + 6021117216.

It is an arithmetic number, because the mean of its divisors is an integer number (6021117216).

Almost surely, 2^12042234431 is an apocalyptic number.

12042234431 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042234431 is an equidigital number, since it uses as much as digits as its factorization.

12042234431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 12042234431 its reverse (13443224021), we get a palindrome (25485458452).

The spelling of 12042234431 in words is "twelve billion, forty-two million, two hundred thirty-four thousand, four hundred thirty-one".